Home / 117,497.38-162,146.59-63,782.43

Finding the Fourth Proportional to 117,497.38, 162,146.59 and 63,782.43

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Solution

The fourth proportional to 117,497.38, 162,146.59 and 63,782.43 is: 88,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,497.38 : 162,146.59 = 63,782.43 : x
  2. Step 2: Convert to fraction form
    117,497.38/162,146.59 = 63,782.43/x
  3. Step 3: Cross multiply
    117,497.38x = 162,146.59 × 63,782.43
  4. Step 4: Simplify right side
    117,497.38x = 10,342,103,526.41
  5. Step 5: Solve for x
    x = 10,342,103,526.41/117,497.38
  6. Step 6: Final answer
    x = 88,019.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.